<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        a {
            width: 100px;
            height: 30px;
            display: inline-block;
            color: aliceblue;
            font-weight: 400;
            text-align: center;
            line-height: 30px;
            text-decoration-line: none;
        }
        .yellow {
            background-color: rgb(255, 145, 0);
            
        }
        .blue {
            background-color: rgb(0, 179, 255);
        }
        .zise {
            background-color: rgba(183, 39, 152, 0.415);
        }
        .green {
            background-color: rgb(13, 137, 13);
        }
        .yellow:hover {
            background-color: #f53311f7;
        }
        .blue:hover {
            background-color: #422bb5;
        }
        .zise:hover {
            background-color: #3edc61;
        }
        .green:hover {
            background-color: #a5123e;
        }
    </style>
</head>
<body>
    <a href="#" class="yellow">五彩导航</a>
    <a href="#"  class="blue">五彩导航</a>
    <a href="#"  class="zise">五彩导航</a>
    <a href="#"  class="green">五彩导航</a>
</body>
</html>